That's true, concurrency is becoming an important consideration and is probably why predictable and FP-oriented langs like Elixir, Rust, Clojure are having good

That's true, concurrency is becoming an important consideration and is probably why predictable and FP-oriented langs like Elixir, Rust, Clojure are having good growth. As for mutating state, I come from an embedded software (microcontrollers) background haha and there's no option but to mutate state